1200030320423 has 16 divisors (see below), whose sum is σ = 1337823184896. Its totient is φ = 1067050014240.

The previous prime is 1200030320387. The next prime is 1200030320471. The reversal of 1200030320423 is 3240230300021.

It is a cyclic number.

It is not a de Polignac number, because 1200030320423 - 2¹⁰ = 1200030319399 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1200030320395 and 1200030320404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200030320473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85265 + ... + 1551557.

It is an arithmetic number, because the mean of its divisors is an integer number (83613949056).

Almost surely, 2^{1200030320423} is an apocalyptic number.

1200030320423 is a deficient number, since it is larger than the sum of its proper divisors (137792864473).

1200030320423 is a wasteful number, since it uses less digits than its factorization.

1200030320423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1467934.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 1200030320423 its reverse (3240230300021), we get a palindrome (4440260620444).

The spelling of 1200030320423 in words is "one trillion, two hundred billion, thirty million, three hundred twenty thousand, four hundred twenty-three".